主反射镜的英文

main mirror

• 主:    host
• 反射镜:    speculum; mirror; ...
• 主反射镜焦点:    porime focus

例句与用法

1. It used to apply only to reflecting telescopes in which the primary mirror was a paraboloid , and thus capable of forming an image all by itself
   它过去只用在抛物面反射望远镜上，这种镜子只用主反射镜就能成像。
2. At the same time , this paper pointed that the topological optimization method can be used in the lightweight design of the back contour of the primary mirror
   同时本文还提出，可用拓扑优化的方法进行主反射镜镜背的轻量化设计。
3. The unfocused aspherical surface system is one of the main structure of large emiting system . in the system , the more large the relative aperture of primary mirror , the more small the focal length and the tube of system , and the more light the weigth
   这个系统中的主反射镜的相对孔径越大，其焦距就越短，相应地系统筒长就越短，重量就越轻，这样就越能满足车载或机载系统的实战要求。